Flush Bottom Piston Valves - Drain Valve invented by SchuF
SchuF is the inventor of the Piston Bottom Outlet Valve (Patent received in 1926). They are most commonly used to quickly drain or inject media into or out of vessels, tanks or reactors.
Bottom outlet drain valve - Ram design with Super Closure feature
Applications for Piston (or Ram) Valves
Piston or Ram valves are most commonly used for dead space free draining and feeding of vessels, reactors and pipelines. They are particularly suited to highly viscous materials, or where rapid vessel drainage is important. They are widely used in the Pharmaceutical and Fine Chemicals, Petrochemical, Polymer, and Mineral Processing industries.
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Piston Bottom Outlet Valves ready for testing
Key Characteristics of SchuF Ram Valves
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All valves have full nominal bore
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Available with 45°, 60°, or 90 degree outlet angle in the body
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Modular design
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Sealing to atmosphere always with adjustable loaded stuffing box
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Valves have exchangeable seats
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LeakTight © Sealing due to special SchuF process of manufacturing
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A flushing connection is provided as standard
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Available with either Radial or Positive seal
Ram Drain Valve Options
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The Model 28 Valve is GMP and CIP compliant
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A wafer type sampling valve can be inserted between valve body and vessel
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Multiport valve variants are available
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Manual, electric, pneumatic, and hydraulic actuation available
Sizing Piston Valves
Depending on application, sizes from half inch to 24 inch and larger on request.
Material Choice
Flush Bottom Piston Valves are available in all materials including cast-steel, stainless steel, all nickel based alloys, Titanium, Zirconium and others.
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Flush Bottom Piston Valve
Ram Valve Model Numbers
Download Piston Valve Documents
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